Ricardas Berankis, Lithuania, def. Florian Mayer (25), Germany, 6-2, 6-3, 6-1.
Philipp Kohlschreiber (17), Germany, def. Amir Weintraub, Israel, 6-2, 7-6 (4), 6-4.
Jo-Wilfried Tsonga (7), France, def. Go Soeda, Japan, 6-3, 7-6 (1), 6-3.
Victoria Azarenka (1), Belarus, def. Eleni Daniilidou, Greece, 6-1, 6-0.
Ayumi Morita, Japan, def. Annika Beck, Germany, 6-2, 6-0.
Roberta Vinci (16), Italy, def. Akgul Amanmuradova, Uzbekistan, 6-3, 6-2.
Elena Vesnina, Russia, def. Varvara Lepchenko (21), United States, 6-4, 6-2.
Maria Kirilenko (14), Russia, def. Peng Shuai, China, 7-5, 6-2.
Serena Williams (3), United States, def. Garbine Muguruza, Spain, 6-2, 6-0.
Jamie Hampton, United States, def. Luksika Kumkhum, Thailand, 6-1, 6-2.
Svetlana Kuznetsova, Russia, def. Hsieh Su-wei (26), Taiwan, 6-2, 6-1.
Victor Hanescu, Romania, and Martin Klizan, Slovakia, def. Andre Begemann and Martin Emmrich, Germany, 6-3, 6-4.
Juan Sebastian Cabal and Robert Farah, Colombia, def. Danai Udomchoke, Thailand, and Jimmy Wang, Taiwan, 3-6, 6-3, 7-6 (9).
Max Mirnyi, Belarus, and Horia Tecau (4), Romania, def. Treat Conrad Huey, Philippines, and Dominic Inglot, Britain, 6-7 (4), 7-6 (8), 6-3.
Anna-Lena Groenefeld, Germany, and Kveta Peschke (9), Czech Republic, def. Marina Erakovic, New Zealand, and Heather Watson, Britain, 6-4, 6-0.
Nadia Petrova, Russia, and Katarina Srebotnik (5), Slovenia, def. Bojana Bobusic and Jessica Moore, Australia, 6-4, 6-2.
Irina-Camelia Begu and Monica Niculescu (13), Romania, def. Eva Birnerova, Czech Republic, and Romina Oprandi, Switzerland, 6-2, 6-4.
Vera Dushevina, Russia, and Olga Govortsova, Belarus, def. Nina Bratchikova, Russia, and Janette Husarova, Slovakia, 0-6, 6-4, 6-2.
Cara Black, Zimbabwe, and Anastasia Rodionova, Australia, def. Monique Adamczak and Stephanie Bengson, Australia, 6-3, 6-4.
Raquel Kops-Jones and Abigail Spears (8), United States, def. Kirsten Flipkens, Belgium, and Magdalena Rybarikova, Slovakia, 6-1, 6-2.
Dominika Cibulkova, Slovakia, and Ksenia Pervak, Kazakhstan, def. Chang Kai-chen, Taiwan, and Yan Zi, China, 6-0, 6-3.
Victoria Azarenka (1), Belarus, vs. Eleni Daniilidou, Greece
Serena Williams (3), vs. Garbine Muguruza, Spain
Daniel Brands, Germany, vs. Bernard Tomic, Australia
Nikolay Davydenko, Russia, vs. Roger Federer (2), Switzerland
Laura Robson, Bristain, vs. Petra Kvitova (8), Czech Republic
Peng Shuai, China, vs. Maria Kirilenko (14), Russia
Joao Sousa, Portugal, vs Andy Murray (3), Britain
Caroline Wozniacki (10), Denmark, vs. Donna Vekic, Croatia
Lu Yen-hsun, Taiwan, vs. Gael Monfils, France
Jo-Wilfried Tsonga (7), France, def. Go Soeda, Japan
Hsieh Su-wei (26), Taiwan, vs. Svetlana Kutznetsova, Russia
Daniela Hantuchova, Slovakia, and Anabel Medina Garrigues (16), Spain, vs. Julia Goerges, Germany, and Sam Stosur, Australia
Marcos Baghdatis, Cyprus, and Grigor Dimitrov, Bulgaria, vs. Matthew Ebden, Australia, and Ryan Harrison, United States
Juan Martin del Potro (6), Argentina, vs. Benjamin Becker, Germany